Samsung SGH-D410 Manuale utente

SGH-D410

SERVICE

Manual

GSM TELEPHONE CONTENTS

1. Specification

2. Flow Chart of Troubleshooting

3. Exploded Views and Parts List

4. Electrical Parts List

5. Block Diagrams

6. PCB Diagrams

GSM TELEPHONE

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1. SGH-D410 Specification

This Document can not be used without Samsung's authorization

1-1

GSM900

Phase 1 EGSM 900

Phase 2 DCS1800

Phase 1 PCS1900

Freq. Band[MHz]

Uplink/Downlink 890~915

935~960 880~915

925~960 1710~1785

1805~1880 1850~1910

1930~1990

ARFCN range 1~124 0~124 &

975~1023 512~885 512~810

Tx/Rx spacing 45MHz 45MHz 95MHz 80MHz

Mod. Bit rate/

Bit Period 270.833kbps

3.692us 270.833kbps

3.692us

Time Slot

Period/Frame Period 576.9us

4.615ms 576.9us

4.615ms

Modulation 0.3GMSK 0.3GMSK 0.3GMSK 0.3GMSK

MS Power 33dBm~13dBm 33dBm~5dBm 30dBm~0dBm 30dBm~0dBm

Power Class 5pcl ~ 15pcl 5pcl ~ 19pcl 0pcl ~ 15pcl 0pcl ~ 15pcl

Sensitivity -102dBm -102dBm -100dBm -100dBm

TDMA Mux 8 8 8 8

Cell Radius 35Km 35Km 2Km -

1. GSM General Specification

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SGH-D410 Specification

1-2

This Document can not be used without Samsung's authorization

2. GSM TX power class

TX Power

control

level

GSM900

5 33±2dBm

6 31±2dBm

7 29±2dBm

8 27±2dBm

9 25±2dBm

10 23±2dBm

11 21±2dBm

12 19±2dBm

13 17±2dBm

14 15±2dBm

15 13±2dBm

16 11±2dBm

17 9±2dBm

18 7±2dBm

19 5±2dBm

TX Power

control

level

DCS1800

0 30±3dBm

1 28±3dBm

2 26±3dBm

3 24±3dBm

4 22±3dBm

5 20±3dBm

6 18±3dBm

7 16±3dBm

8 14±3dBm

9 12±4dBm

10 10±4dBm

11 8±4dBm

12 6±4dBm

13 4±4dBm

14 2±5dBm

15 0±5dBm

TX Power

control

level

DCS1800

0 30±3dBm

1 28±3dBm

2 26±3dBm

3 24±3dBm

4 22±3dBm

5 20±3dBm

6 18±3dBm

7 16±3dBm

8 14±3dBm

9 12±4dBm

10 10±4dBm

11 8±4dBm

12 6±4dBm

13 4±4dBm

14 2±5dBm

15 0±5dBm

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2. SGH-D410 Flow Chart of Troubleshooting

2-1

This Document can not be used without Samsung's authorization

1.Baseband

1. Power ON

Check the current

consumption more

than 100mA

'Power On' does not work

Check the VBAT

more than 3.3V

Download again

Charge the Battery

Check the pin

11 of U102 is more

than 2.8V

Check the C117

U102 pin 33,39

=2.8V Check U102 and C116

Check the clock

signal at pin4 of

OSC801

Freq=13MHz ?

Vrms≥300mV ?

Vpp is around

900mVpp ?

Check the clock generation

circuit

Check the initial operation

END

Yes

U102 pin 9

=1.8V

Yes

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SGH-D410 Flow Chart of Troubleshooting and Circuit Diagrams

2-2

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2. Initial

3. Sim Part

Check the signal at the

pin21ofU102is

"High" when the phone

is boot on

Initial Failure

Check the pin 46,20 and Q103

END

Yes

Check the key metrix

of the U601

Yes

Check the key program and

the key pcb

Check the VCCD,VCC_1.8A

of U601

Check the soldered status of

U601,OSC601

Yes

Check LCD connector CN201 in the main

PBA and the FPCB connector

Yes

Check the vccd of

U601 is around 2.8V

Check the soldered status of

U601,osc601

Check the pin 1 of

CN101. voltage 3V ?

Phone can't access SIM card

Check the SIM

connector's (CN101)

connection to SIM

card

Check the circuit related to

U102

Resolder or change CN101

Check the circuit around CN101

input

circuitry

END

Yes

Check the related circuit of

CN101

Check the circuit around U601

output

and vlotage supply circuitry

Yes

Check the related circuit of

U601 and U102

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SGH-D410 Flow Chart of Troubleshooting and Circuit Diagrams

2-3

This Document can not be used without Samsung's authorization

4. Charging Part

Check the pin 17, 18

of CN300 is

TA_VEXT>4?

Abnormal charging part

Check the pin 2 of

U101 is "low"?

Replace TA,Check CN300-1

Check the U101

Check the Q101

END

Yes

Check the pin 3 of

Q101 is "low"?

Check the pin 5 of

U101 is "3.2~4.2V"? Check the U101

Yes

Check the ICHRG is

1V(during charging)

and around 180mV(full

charging)?

No Resolder or change R111

Yes

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SGH-D410 Flow Chart of Troubleshooting and Circuit Diagrams

2-4

This Document can not be used without Samsung's authorization

POWER

VBAT

47K,1%

R103

Q102

R104

R102

POS

M101

NEG

C109

1UF

VCCA

VCC_1.8A

VCCB

1UF

C117

R111

1.2K

100PF

C118

1UF

C114

D101

VBAT

C113

1UF

VOSC

VCC

VSENSE

6.3V

10UF

C106

U101

DRIVE

GND

ISENSE

PROG

10UF

C107

VBAT

10V

100NF

C102

VSIM

VLDO_19

VLDO_211

VLDO_3

VLDO_437

VLDO_533

VLDO_6

VLDO_7

VREF

VRTC12

VDD6741

1VEXT

VIB_DRV

VL4S_A

VL4S_B35

VL5S_A

VL5S_B31

SIM_RST

53UP_CLK

UP_IO

UP_RST

VACC

VBAT

VDD12

VDD3438

VDD5

RING_DRV

RING_PWM

13RTC_ALMN

SCLK

SDI

SDO

SIM_CLK

5051

SIM_IO

14INTRQ

LED1_DRV

LED2_DRV

PSW1_BUF

21PWR_KEEP

PWR_SW1N

47PWR_SW2

RESETN19

63GND

GND

66GND

60GNDD

GNDD1

GNDQ

26EN_5A

EN_5B

GND

68GND

58GND

GND

61GND

GND

56ADC_TRIG

BTEMP

CREF

18CSN

22EN_3

EN_4[0]

24EN_4[1]

EN_5

U102

ADC_AUX1

45ADC_AUX2

C119

1UF

C111

1UF

C108

100NF

C116

1UF

Q101

VBAT

R106

330K

VRTC

VCCD

C101

33PF

C104

33PF

C105

33PF

C103

2.2UF

Q103

22NF

C121

C115

78GG

910

R110

CN101

556

C120

C110

1UF

VRF

1UF

RST

VPAC

1UF

C112

EN_VPAC

JIG_ON

SIMCLK

SIMRST

KEY_ROW(0)

KEY_COL(3)

CHG_DET

TA_VEXT

RTCALARM

UP_SDI

SIMDATA

VREF

TA_VEXT

UP_SCLK

UP_CS

EN_VRF

TA_VEXT

CHG_ONICHRG

TA_VEXT

XOENA

KEY_BL

PWR_KEEP

PWR_ON

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SGH-D410 Flow Chart of Troubleshooting and Circuit Diagrams

2-5

This Document can not be used without Samsung's authorization

5. Microphone Part

6. Speaker Part

check the soldered

status of microphone.

Microphone does not work

Check the reference

voltage on mic path

C411 ≒ 2.5 V

Resolder microphone

Resolder or change

R413,C420,R414,C410,R411,R408

END

Yes

Is microphone ok?

Check U701

Check the FPCB from

CN201 to CN11

Speaker does not work

Check the PIN 4 of

U401='High' ?

Retry connection the FPCB from

CN201 to CN11

Check U401 and the audio

path of U701

Is speaker ok?

Check componants near the U402

and control line of U402

END

Yes

Is speaker ok?

Change Speaker

Yes

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SGH-D410 Flow Chart of Troubleshooting and Circuit Diagrams

2-6

This Document can not be used without Samsung's authorization

AUDIO

R419

10K

R423

18KQ401

VCCA

82K

680

R414

33UF

C420

R411

C414

C411

1NF

C426

ZD403C424

270PF

L402

R412

100nH

L403

100nH

R416

VCCA

10K

6.3V

4.7UF

C413

R404

C402

100NF

R403

27ohm

150K

ZD402

2.2K

R415

C429

4.7K

R413

8.2K

R408C410

1UF

56K

R418

C423

1UF

R402

100K

VCCD

CN401

ICEBERG-FPCB

MIC401

C427

VCCD

33PF

1NF

C425

R421

C415

30PF

47PF

C406C407

47PF

C419

C428

C417

VCCD

1NF

C416100NF

150PF

C401

22NF

C403

6.3V

3.3K

R410

56K

R4074.7UF

C405

C408

R420

4.7NF

R424

C412

NC2

NO1

10NO2V+1

COM13

COM2

GND

IN1

8IN2

NC1

R401

27ohm

U401

C404

100NF

R409

VBAT

33K

R405

82K

C409

100NF

R406

VREF

VSS

29/CS

/IRQ

31/RD

/RST

/WR

MTR

PLLC

SPOUT

SPOUT2

SPVDD15

SPVSS

VDD

EQ1

EQ213

EQ3

HPOUT-L/MONO

HPOUT-R11

32IOVDD

LED

CLKI

27D0

2524

2322

U402

R422

R417

150PF

C432

C431

150PF

22NF

C430

12K

R426

VIB_EN

LED_DATA

SPK1P

AOUTAP

AOUTAN

AUDIO_AMP_EN

SPK1N

YMU_SPK1N

YMU_SPK1P

AOUTBP

AUXIN

MICOUT

MICIN

AOUTBN

JACK_IN

EAR_SWITCH

YMU_IRQ

RST

D(5)

D(6)

D(7)

D(4)

D(3)

D(1)

D(0)

CP_WEN

CP_OEN

A(0)

YMU_EN

AUXOUT

CLK13M_YMU

D(2)

YMU_SPK1P

YMU_SPK1N

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SGH-D410 Flow Chart of Troubleshooting and Circuit Diagrams

2-7

This Document can not be used without Samsung's authorization

F1001 CHECK

pin13 ≥ -65dBm ?

2.RF

1. EGSM RX

CONTINUOUS RX ON

RF INPUT : 62CH

AMP : -50dBm

NORMAL CONDITION

catch the channel?

CHECK

ANT1001,L1002 contact ?

U902

pin 26,32: 2.8V ?

F1001 CHECK

pin1, 2 ≥ -65dBm ?

U1002 CHECK

pin20,21 ≥ -65dBm ?

C1003, C1006

resolder or change

F1001

resolder or change

C1005,C1006,L1003

resolder or change

U102 pin39, C112

change or resolder

U903 CHECK

pin 7 : 13MHz ?

Vp-p : 950mV?

OSC801

change or resolder

U902

resolder or change

U702,R701

resolder or change

U902

pin1,2,5,6 Vp-p

: 120mV ?

YES

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